238253942 has 8 divisors (see below), whose sum is σ = 358300800. Its totient is φ = 118820344.

The previous prime is 238253909. The next prime is 238253947. The reversal of 238253942 is 249352832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 238253896 and 238253905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238253947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152342 + ... + 153897.

It is an arithmetic number, because the mean of its divisors is an integer number (44787600).

Almost surely, 2^238253942 is an apocalyptic number.

238253942 is a deficient number, since it is larger than the sum of its proper divisors (120046858).

238253942 is a wasteful number, since it uses less digits than its factorization.

238253942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306630.

The product of its digits is 103680, while the sum is 38.

The square root of 238253942 is about 15435.4767338103. The cubic root of 238253942 is about 619.9357737840.

The spelling of 238253942 in words is "two hundred thirty-eight million, two hundred fifty-three thousand, nine hundred forty-two".